Question

1.Authorities expect no water shortage this _____ nevertheless, extra
wells are being dug.
a. summer,
b. summer;
(B)
2.Among those attending the meeting were Don Wheatly, a retired _____
Louise DiFrenza, the town librarian; and Dana West, a councilwoman.
a. teacher,
b. teacher;
(B)
3.Al Smith, the governor of New _____ was nominated for the presidency.
a. York
b. York,
(A)
4.Our provisions ran _____ and we had to ration our fresh water.
a. low,
b. low;
(A)
5.Steinbeck's scientific knowledge (he was trained as a _____ is reflected
in his works.
a. marine biologist.)
b. marine biologist)
(A)
6.Ms. Howes declared, "It _____ was a triumph!"
a. (the play)
b. [the play]
(A)
7.The directions said, "Add two cups of _____
a. milk...Stir in flour."
b. milk.... Stir in flour."
(B)

Answer 1

3 - No
https://owl.english.purdue.edu/owl/owlprint/607/
Scroll way down and study the expanded explanation for #9.

5 - No
http://grammar.ccc.commnet.edu/grammar/marks/parentheses.htm

The others are fine.

Answer 2

thank you, so number 3 would be B, and also 5 would be B?

Answer 3

Yes, 3 is B because the comma is needed at the end of an appositive phrase.

And yes, 5 is also B, as shown in the examples in the link I posted.

=)